<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			#box{
				width: 400px;
				height: 300px;
				display: grid;
				background: burlywood;
				grid-template-rows:repeat(4,1fr);
				grid-template-columns:repeat(4,1fr);		
			}
			#box div{
				background-color: rgba(255, 255, 255, 0.8);
				border: 1px solid red;
 				font-size: 30px;
 				grid-column-start: 2;
 				grid-column-end: 4;
 				/*grid-column简写:
 				grid-column:2 / 4;*/
 				grid-row-start: 3;
 				grid-row-end: 4;
 				/*grid-row简写:
 				grid-row:3 / 4;*/
 				align-self: center;
 				justify-self:start;
			}	
		</style>
	</head>
	<body>
		<div id="box">
			<div>1</div>		
		</div>
	</body>
</html>
